Loudspeaker, Amplifier, Conference System manufacturer / supplier in China, offering Smart Home New Style Track Bluetooth Speaker 15W RMS Wireless Microphone Karaoke Drum Lampshade 8ohm Speaker, IP44 Aluminum Outdoor Column Speaker with Premium Frequency Response Optimized for Municipal Squares Transport Hubs & Sports Are, IP66 Waterproof Rock Speaker (4"/6"/8") with Full-Range/Coaxial Dual Systems Seamlessly Integrated Into Resort Villas Eco Parks and Zen Dry Landscapes and so on.